President Obama in Africa (18 images)

A large protest group rallies on the streets as they march to the U.S. Embassy in Pretoria, South Arfica, in protest of US President Barack Obama's visit to South Africa on June 28, 2013. U.S. President Barack Obama flies into South Africa today for a three day visit while former South African President Nelson Mandela spends his 21st day hospitalized in critical condition at the Mediclinic Heart Hospital in Pretoria. UPI/Charlie Shoemaker

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